SEC Form 4 · accession 0001280452-15-000029
MONOLITHIC POWER SYSTEMS, INC. · MPWR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Maurice Sciammas
Officer — Sr. V.P.of Sales and Marketing
Period of report
Feb 5, 2015
Accepted (ET)
Feb 9, 2015 · 8:26 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001280452
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Feb 5, 2015 | M | 1,103 | $14.89 | A | 232,036 | D | |
| Common StockF1 | Feb 6, 2015 | S | 699 | $47.39 | D | 231,337 | D | |
| Common Stock | Feb 9, 2015 | S | 1,466 | $47.5573 | D | 229,871 | D | |
| Common Stock | Feb 9, 2015 | S | 69 | $47.56 | D | 229,802 | D | |
| Common Stock | holding | — | — | — | 2,000 | I | by Family Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Non-Qualified Stock Option (right to buy)F2 | $14.89 | Feb 5, 2015 | M | 1,103 | D | Feb 5, 2015 | Feb 8, 2015 | Common Stock | 1,103 | 0 | D |
Explanation of responses
- F1Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
- F2Represents vested shares acquired through the cash exercise of a stock option in compliance with the Company's Insider Trading Compliance Program.